Answer
$4$
Work Step by Step
We simplify:
$8^{2/3}=(8^{1/3})^2=(\sqrt[3]{8})^2=2^2=4$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.